Deprecated in lighthouse 0.7.2 in favor of psum()
.
Sums across columns a la SPSS: NA
s are counted as 0s, but if ALL variables
are NA
, then result is NA
.
Deprecated in lighthouse 0.7.2 in favor of psum()
.
Sums across columns a la SPSS: NA
s are counted as 0s, but if ALL variables
are NA
, then result is NA
.